1989979056

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 240

約数和(自身を含む): 6271161120

約数和(自身を除く): 4281182064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 97, 104, 108, 117, 144, 156, 169, 194, 208, 216, 234, 281, 291, 312, 338, 351, 388, 432, 468, 507, 562, 582, 624, 676, 702, 776, 843, 873, 936, 1014, 1124, 1164, 1261, 1352, 1404, 1521, 1552, 1686, 1746, 1872, 2028, 2248, 2328, 2522, 2529, 2619, 2704, 2808, 3042, 3372, 3492, 3653, 3783, 4056, 4496, 4563, 4656, 5044, 5058, 5238, 5616, 6084, 6744, 6984, 7306, 7566, 7587, 8112, 9126, 10088, 10116, 10476, 10959, 11349, 12168, 13488, 13968, 14612, 15132, 15174, 16393, 18252, 20176, 20232, 20952, 21918, 22698, 24336, 27257, 29224, 30264, 30348, 32786, 32877, 34047, 36504, 40464, 41904, 43836, 45396, 47489, 49179, 54514, 58448, 60528, 60696, 65572, 65754, 68094, 73008, 81771, 87672, 90792, 94978, 98358, 98631, 109028, 121392, 131144, 131508, 136188, 142467, 147537, 163542, 175344, 181584, 189956, 196716, 197262, 218056, 245313, 262288, 263016, 272376, 284934, 295074, 327084, 354341, 379912, 393432, 394524, 427401, 436112, 442611, 490626, 526032, 544752, 569868, 590148, 654168, 708682, 735939, 759824, 786864, 789048, 854802, 885222, 981252, 1063023, 1139736, 1180296, 1282203, 1308336, 1417364, 1471878, 1578096, 1709604, 1770444, 1962504, 2126046, 2279472, 2360592, 2564406, 2834728, 2943756, 3189069, 3419208, 3540888, 3925008, 4252092, 4606433, 5128812, 5669456, 5887512, 6378138, 6838416, 7081776, 8504184, 9212866, 9567207, 10257624, 11775024, 12756276, 13819299, 17008368, 18425732, 19134414, 20515248, 25512552, 27638598, 36851464, 38268828, 41457897, 51025104, 55277196, 73702928, 76537656, 82915794, 110554392, 124373691, 153075312, 165831588, 221108784, 248747382, 331663176, 497494764, 663326352, 994989528, 1989979056]

約数ペア:

[(1, 1989979056), (2, 994989528), (3, 663326352), (4, 497494764), (6, 331663176), (8, 248747382), (9, 221108784), (12, 165831588), (13, 153075312), (16, 124373691), (18, 110554392), (24, 82915794), (26, 76537656), (27, 73702928), (36, 55277196), (39, 51025104), (48, 41457897), (52, 38268828), (54, 36851464), (72, 27638598), (78, 25512552), (97, 20515248), (104, 19134414), (108, 18425732), (117, 17008368), (144, 13819299), (156, 12756276), (169, 11775024), (194, 10257624), (208, 9567207), (216, 9212866), (234, 8504184), (281, 7081776), (291, 6838416), (312, 6378138), (338, 5887512), (351, 5669456), (388, 5128812), (432, 4606433), (468, 4252092), (507, 3925008), (562, 3540888), (582, 3419208), (624, 3189069), (676, 2943756), (702, 2834728), (776, 2564406), (843, 2360592), (873, 2279472), (936, 2126046), (1014, 1962504), (1124, 1770444), (1164, 1709604), (1261, 1578096), (1352, 1471878), (1404, 1417364), (1521, 1308336), (1552, 1282203), (1686, 1180296), (1746, 1139736), (1872, 1063023), (2028, 981252), (2248, 885222), (2328, 854802), (2522, 789048), (2529, 786864), (2619, 759824), (2704, 735939), (2808, 708682), (3042, 654168), (3372, 590148), (3492, 569868), (3653, 544752), (3783, 526032), (4056, 490626), (4496, 442611), (4563, 436112), (4656, 427401), (5044, 394524), (5058, 393432), (5238, 379912), (5616, 354341), (6084, 327084), (6744, 295074), (6984, 284934), (7306, 272376), (7566, 263016), (7587, 262288), (8112, 245313), (9126, 218056), (10088, 197262), (10116, 196716), (10476, 189956), (10959, 181584), (11349, 175344), (12168, 163542), (13488, 147537), (13968, 142467), (14612, 136188), (15132, 131508), (15174, 131144), (16393, 121392), (18252, 109028), (20176, 98631), (20232, 98358), (20952, 94978), (21918, 90792), (22698, 87672), (24336, 81771), (27257, 73008), (29224, 68094), (30264, 65754), (30348, 65572), (32786, 60696), (32877, 60528), (34047, 58448), (36504, 54514), (40464, 49179), (41904, 47489), (43836, 45396)]